be sure of汉语翻译：
确信..., 肯定..., 对...有把握例句：
Can I be sure of a profit if I invest?我要是投资，肯定能获利吗?
Book early if you want to be sure of a seat.要想十拿九稳有个座位，那就早订座。
I left a message so as to be sure of contacting her.我留下了张条子以便与她取得联系。
He likes to be sure of his bodily comforts.他注重身体上的舒适。
